dielectric – TechConnect Briefs

Development of Novel Nanocomposite Dielectrics for High Voltage, High Energy Density Multilayer Ceramic Capacitors (MLCCs) Applications.

Tan C., Aegis Technology, Inc, US

There are demanding requirements on multilayer ceramic capacitor (MLCC)-based power capacitors in the development of more advanced electronics and platforms for both civic and military applications. Currently used MLCCs, however, suffer from limitations of low [...]

On the investigation of an interdigitated, high capacitance ratio shunt RF-MEMS switch for X- band applications

Angira M., BITS PILANI, IN

This paper presents a novel, highly compact capacitive shunt RF MEMS switch. In the presnted switch, interdigitation of signal lines with actuation electrodes. are used. The compactness has been achieved further by incorporating the HfO2 [...]

Supramolecular Dielectric for Low Voltage Organic Electronics

Tsui H.-C.L., Steinke J., Campbell A., Imperial College London, UK

The interest in organic thin film transistor (OTFT) is rising rapidly in recent years because of its potentially low cost, flexibility, light weight and simple fabrication process. This study aims to investigate the potential of [...]

Dielectric Constant, Loss and Breakdown for Ultem containing BaTiO3 Nanoparticles

Lomax E.A., Lomax J.F., Lomax E.A., Lomax J.F., Lu S.C., Calame J.P., Fontanella J.J., Edmondson C.A., Wintersgill M.C., U.S. Naval Academy, US

The need for improved energy storage devices prompts interest in developing new dielectric materials for high energy capacitors. This work reports data on the properties of cast films of BaTiO3 nanoparticles (high dielectric) in the [...]

High dielectric tunability of Ba0.6Sr0.4TiO3 thin film deposited by radio-frequency sputtering

Zuyong F., Nanyang Technological University, SG

Recently, the nonlinear dielectric property of BST thin films has been investigated for the development of frequency agile RF and highper formance microwave tunable devices, which include phase shifters, tunable filters, steerable antennas, varactors, and [...]

Improvement of electric energy density in PVDF terpolymer nanocomposites and blends

Chu B., Neese B., Lin M., Zhou X., Chen Q., Zhang Q.M., The Penn State University, US

Large enhancement in the electric energy density and electric displacement level were found in nanocomposites of poly(vinylidene fluoride-trifluoroethylene-chlorofluoroethylene) (PVDF-TrFE-CFE) relaxor ferroelectric polymer/ZrO2 nanoparticles. Through the interface effect the presence of the nanoparticles (with only 1.6 [...]

Synthesis and Testing of Metal and Nitrogen Doped Nano-TiO2

Zhang Z., Darr J.A., University College London, UK

we have adopted a novel approach to the use of continuous hydrothermal flow system (CHFS) for the synthesis of various crystalline doped anatase TiO2 nano-ceramics with high surface area (ca. 280 m2g-1) system. Their photocatalytic [...]

Dielectric Response in Silicon Nanostructures from first principles

Hamel S., Williamson A., Wilson H., Gygi F., Galli G., Ratner E., Wack D., Lawrence Livermore National Laboratory, US

In the next few years, the typical size of finFET devices used in the microchip industry is expected to be of the order of a few nanometers. This poses formidable challenges, including for optical metrology, [...]

Solving Electric Field in Combined Conductor and Dielectric Devices

Chen Z.J., Przekwas A., Athavale M., Zhou N., CFD Research Coorporation, US

In the design and simulation of micro/nano device areas, it becomes more and more important to obtain, fast and accurate, transient electric field solutions in combined conductor/dielectric materials. The time characteristics for such transient process [...]

Impact of Multi-Trap Assisted Tunneling on Gate Leakage of CMOS Memory Devices

Entner R., Gehring A., Kosina H., Grasser T., Selberherr S., TU Vienna, AT

In this work a new approach for modeling gate leakage currents for memory cells which are highly degraded is proposed. In thicker dielectrics which are subject to high field stress and can therefore have a [...]